Home / 13,959.24-19,263.74-7,671.62

Finding the Fourth Proportional to 13,959.24, 19,263.74 and 7,671.62

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Solution

The fourth proportional to 13,959.24, 19,263.74 and 7,671.62 is: 10,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.24 : 19,263.74 = 7,671.62 : x
  2. Step 2: Convert to fraction form
    13,959.24/19,263.74 = 7,671.62/x
  3. Step 3: Cross multiply
    13,959.24x = 19,263.74 × 7,671.62
  4. Step 4: Simplify right side
    13,959.24x = 147,784,093.06
  5. Step 5: Solve for x
    x = 147,784,093.06/13,959.24
  6. Step 6: Final answer
    x = 10,586.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.